| Filed On | Filing |
|---|---|
| 10 Dec 2012 | 8-K/A: Changes in Registrant's Certifying Accountant |
| 16 Nov 2001 | 8-K/A: Changes in Registrant's Certifying Accountant |
| 28 Sep 2001 | 8-K/A: Completion of Acquisition or Disposition of Assets |
| 18 Oct 1999 | 8-K/A: Completion of Acquisition or Disposition of Assets |
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